Portal 2 achievements
951
(510)

Portal 2

4.7 from 285 votes

There are a maximum of 51 Portal 2 achievements worth 951

7,119 tracked gamers have this game, 379 have completed it (5.32%)

Achievement Details

You Saved Science in Portal 2

You Saved Science18

Complete all test chambers in all courses of co-op

  • Unlocked by 2,302 tracked gamers (32% - TSA Ratio = 1.75) 7,119  
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